Daggerboard
n. [船]活动披水板,中插板
🗣️ 情景例句
Yeah. My new advanced exercise class.
对， 新的高级健身班。
I usually read a book to kill time.
我通常用看书来消磨时间。
and because there is so much of it the function would seem to e important.
睡眠占去那么多时间，所以其作用似乎还是很重要。